mtd: seama: update MD5 using header in the first block buffer

This will allow separating first block buffer from a buffer used for MD5
calculation.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Backport of r49307

SVN-Revision: 49311

diff --git a/package/system/mtd/src/seama.c b/package/system/mtd/src/seama.c
index 42b1e88e080f2bf6d8875ff7f6e14470ae4dc4db..b51177ac87d6d849d14467fdaccb08d12543e6b7 100644 (file)
--- a/package/system/mtd/src/seama.c
+++ b/package/system/mtd/src/seama.c
@@ -51,9 +51,8 @@ ssize_t pread(int fd, void *buf, size_t count, off_t offset);
 ssize_t pwrite(int fd, const void *buf, size_t count, off_t offset);
 
 int
-seama_fix_md5(char *buf, size_t len)
+seama_fix_md5(struct seama_entity_header *shdr, char *buf, size_t len)
 {
-       struct seama_entity_header *shdr = (struct seama_entity_header *) buf;
        char *data;
        size_t msize;
        size_t isize;
@@ -163,7 +162,7 @@ mtd_fixseama(const char *mtd, size_t offset)
                exit(1);
        }
 
-       if (seama_fix_md5(buf, mtdsize))
+       if (seama_fix_md5(shdr, buf, mtdsize))
                goto out;
 
        if (mtd_erase_block(fd, block_offset)) {
@@ -175,7 +174,7 @@ mtd_fixseama(const char *mtd, size_t offset)
        if (quiet < 2)
                fprintf(stderr, "Rewriting block at 0x%x\n", block_offset);
 
-       if (pwrite(fd, buf, erasesize, block_offset) != erasesize) {
+       if (pwrite(fd, first_block, erasesize, block_offset) != erasesize) {
                fprintf(stderr, "Error writing block (%s)\n", strerror(errno));
                exit(1);
        }